Panel form light emitting source projector

ABSTRACT

A projection display module coupled to the control IC for the data projection. The projection display module includes three liquid crystal panels that perform image displays in red, green, and blue, respectively; light emitting sources are employed and positioned in correspondence with the liquid crystal panels, respectively. A prism is used for each display color combination, wherein the liquid crystal panels and the light emitting sources are positioned on the light-incidence side of the side surfaces of the prism. A projection lens is provided on the light emission side of the prism.

CROSS REFERENCE TO RELATED APPLICATION

This application is a Continuation of allowed U.S. Ser. No. 10/989,622,filed on 15 Nov. 2004, entitled “Multi-Function Portable CommunicationDevice.”

FIELD OF THE INVENTION

The present invention relates generally to a portable terminal and moreparticularly to a multi-function portable terminal or device.

BACKGROUND OF THE INVENTION

Cellular communications systems typically include multiple base stationsfor communicating with mobile stations in various geographicaltransmission areas. Each base station provides an interface between themobile station and a telecommunications network. Mobile telephonesystems are in use or being developed in which the geographic coveragearea of the system is divided into smaller separate cells, itcommunicates with the network via a fixed station located in the cell.Mobile telephones belonging to the system are free to travel from onecell to another. When a subscriber within the same system or within anexternal system wishes to call a mobile subscriber within this system,the network must have information on the actual location of the mobiletelephone.

Recently, the price of cellular telephone has been greatly reduced andbecome affordable to lots of people. It is common that a person ownsmore than one cellular phone. Some people even replace their cellulartelephones as often as they replace their clothes or hairstyle. Thecellular manufactures have to release new models with differentappearances, function and styles more frequently so as to attract theattention of the buyer and occupy a favorable marketing share.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a projector with panelform light source.

The portable device comprises a control IC imbedded in the projector anda projection display module for the data projection. The projectiondisplay module includes three liquid crystal panels that perform imagedisplays in red, green, and blue, respectively; light emitting sourcesemployed and positioned in correspondence with the liquid crystalpanels, respectively. A dichroic prism is used for each display colorcombination, wherein the liquid crystal panels and the said lightemitting sources are positioned on the light-incidence side of thedichroic prism. A projection lens is provided on the light emission sideof said dichroic prism to enlarge the projection image. Wherein saidlight emitting sources are organic EL (electroluminescence) elementsthat capable of emission of red, green, and blue light.

A portable device comprises a central control IC imbedded in saidportable device; a RF module coupled to the control IC for wirelesscommunication and a display, memory and an input unit coupled to thecontrol IC. A pinhole camera detector embedded in said portable device,said pinhole camera detector is sensitive to a transmittance frequencyfrom about 300 MHz to 2.5 GHz.

A further aspect of the present invention is to disclose a portabledevice comprising a control IC imbedded in the portable device; a RFmodule coupled to the control IC for wireless communication; a display,memory and an input unit coupled to the control IC; and a remote controlmodule coupled to said central control IC to control lock or a device bythe key code coded in the memory.

Anther embodiment of the present invention comprises a control ICimbedded in a portable device; a RF module coupled to the control IC forwireless communication; a display, memory and an input unit coupled tothe control IC; and an alcohol ingredients detecting module is providedand coupled to the control IC to detect alcohol containment.

In order to achieve the object of the present invention, a portabledevice comprises a control IC imbedded in the portable device; a RFmodule coupled to the control IC for wireless communication; a display,memory and an input unit coupled to the control IC; and an illuminationsource embedded in the portable device for acting as pointer orflashlight. The illumination source includes a laser component. Whereinthe illumination source include a lamp (or LED) and a reflector positionin accordance with the lamp to reflect light generated by the lamp.

BRIEF DESCRIPTION OF THE DRAWING

The foregoing aspects and many of the attendant advantages of thisinvention will become more readily appreciated as the same becomesbetter understood by reference to the following detailed description,when taken in conjunction with the accompanying drawing, wherein:

FIG. 1 is a diagram of a cellular terminal according to the presentinvention;

FIG. 2 is a diagram of a projection display module according to thepresent invention; and

FIG. 3 is a diagram of a projection display module with EL as theillumination source according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

The present invention relates generally to a multi-function portableterminal. The portable terminal includes but not limited to cellularphone, PDA (personal digital assistant), smart phone and the equivalentthereof.

FIG. 1 shows a block diagram of a portable terminal with SIM cardconnector 130 to carry the SIM card 135, it is well know in the art, theSIM card is not necessary for some other type of cellular such as PHSsystem. The diagram is used for illustrating and not used for limitingthe scope of the present invention. The portable terminal or device 10includes a RF module. As know in the art, the RF module includes antenna105. This antenna 105 is connected to a transceiver 110, which is usedto receive and transmit signal. AS know, the RF module further includesCODEC 115, DSP 120 and A/D converter as well. Due to the RF module isnot the feature of the present invention, therefore, the detaileddescription is omitted. The present invention includes a central controlIC 100, an input unit 150, a build-in display 160, OS 145, power andcontrol IC 140 and memory 155 including a ROM program memory, a RAMmemory and a nonvolatile FLASH memory. The RF module may perform thefunction of signal transmitting and receiving, frequency synthesizing,base-band processing and digital signal processing. The SIM cardhardware interface is used for receiving a SIM card. Finally, the signalis send to the final actuators, i.e. a loudspeaker and a microphone 190.

The present invention includes one or more following module that is notdisclosed by the current cellular terminal. It should be noted that theadditional module can be implanted along or combination depending on thenecessary.

A pinhole camera detector 170 indicates the addition of a device, whichis apt to wireless or wired signal. The pinhole camera detector issensitive to the transmittance frequency, for example, from the 300 MHzto 2.5 GHz, and is coupled to the control IC 100. The detector alsoincludes a switch coupled to pinhole camera detector to active thedetector. As known, the pinhole video camera includes a printed circuitboard, a charged coupled device (hereinafter referred to as “CCD”),memory means for storing a single frame image which is generated byimage signal from the CCD and a signal converting means, a connectorwith wires to connect the aforementioned circuits to power source andthe displayer. A conical convex lens is accommodated to have an apicalangle and the apex is fixed so as to face the pinhole. The pinholecamera detector 120 is available to scan and detect the operationfrequency while the pinhole camera is in function. The so-called spycamera could also be detected by the pinhole camera detector 120 aswell. The scanned result can be send to the display 160 and/or theloudspeaker and a microphone 190, thereby sending an alarm signal.

Moreover, the portable terminal according to the present invention shownin FIG. 1 has another function module. An embodiment is now describedwith reference to FIG. 2. A projection display module 165 is coupled tothe control IC 100. One type of such a projection display module 165that is known is the liquid crystal projector wherewith images on aliquid crystal panel are enlarged and projected by a projection lensonto a reflective screen and thus displayed. The liquid crystalprojection display module comprises a light source lamp unit inside ashell of the device. Electrical discharge lamps such as metal halidelamps, or halogen lamps, could be used in the light source lamp unit.The light emitted from this light source lamp unit is guided via amirror to dichroic mirrors, whereby it is separated into red light,green light, and blue light. The images displayed on the three liquidcrystal panels, respectively, are illuminated by their respectivecolors, and this light is combined by a dichroic prism.

In preferable embodiment, please refer to FIG. 3, the liquid crystalprojector comprises three liquid crystal panels 200R, 200G and 200B thatperform image displays in red, green, and blue, respectively.Preferably, panel-form light emitting sources 210R, 210G, and 210B isemployed and positioned in correspondence with the liquid crystalpanels, respectively. In one embodiment, the light emitting sources210R, 210Q and 210B are organic EL (electroluminescence) elements. Theseorganic EL elements are electric-field light emitting thin films thatcapable of emission of red, green, and blue light. The EL elements areformed behind and adjacent to the liquid crystal panels 200R, 200G, and200B, respectively. The liquid crystal panels 200R, 200G and 200B andthe light sources 210R, 210G and 210B are positioned on thelight-incidence side of the side surfaces of the dichroic prism 220 foreach display color combination. The projection lens 230 could be made upof a plurality of lenses. Thus, the data or file stored in the memory ofthe device can be projected on a screen or wall. It allows the user toproject the image, game or file on an external screen. The EL element issmall, flat form, light weight, therefore, it allows the smallprojection to be integrated in the portable device.

Another aspect of the present invention is that the device 10 alsoincludes remote control module 185. The remote control module 185 maybeused to control lock or device by the key code coded in the remotecontrol module 185. The remote controller is also a mature technology.Remote controllers for electrical and electronic appliances are wellknown, and are widely used. In one example, the remote control module185 applies infrared rays for transmission, and each company providesits appliances and remote controllers with its specific protocol ofcommunication. An example of the remote control module 185 is providedwith an interface for downloading the relevant information into theremote control module 185 from an external source. In one embodiment ofremote controller is provided with an infrared transmitter for sendingremote controlling signals to the appliance. The remote controller isprovided with a RAM or ROM, or EPROM, or EEPROM internal database(memory 155) to which set-up information regarding the key-map andsignal format of at least one apparatus to be controlled is entered.Such information can be commonly provided to the internal database fromvarious sources, such as from a smart card, from an Internet database,from a plugged-in card, etc. The database in the appliance containsset-up data that can be transmitted by transmitter to the remote controlmodule 185 providing it all the information it needs in order to controlthe appliance. The present invention uses the RF module to download thekey code from database through network.

Another aspect of the present invention is that the portable device 10also includes an alcohol detecting module 180. The alcohol ingredientsdetecting module 180 is provided and coupled to the control IC 100 todetect the alcohol ingredients from one's breath, for example, themodule is capable of detecting alcohol content. The alcohol detectingmodule 180 is sensitive to the aforementioned alcohol content. If thebonding is detected, the signal will be send from the alcohol detectingmodule 180 to the control IC 100 for determine the level of the alcoholingredients. Then, the result will be send to the display 160. U.S. Pat.No. 5,907,407 had disclosed various methods to detecting the alcohol.U.S. Pat. No. 4,809,810 disclosed a system both apparatus and method,for analyzing a breath sample.

Further, an illumination module 175 is also employed by the presentinvention. The portable device could be used as a laser pointer if theillumination module 175 includes a laser component 200. A switch can beprovided to active the laser. In another embodiment, the illuminationmodule 175 includes a light source to allow the portable device to beused as the flashlight. Especially, one may turn on the illuminationmodule 175 in dark environment such as in a theater. The illuminationmodule 175 could be coupled to the control IC 100 or implanted with anindependent control IC. The illumination source includes a lasercomponent. Wherein the illumination source include a lamp (or LED) and areflector position in accordance with the lamp to reflect lightgenerated by the lamp.

As will be understood by persons skilled in the art, the foregoingpreferred embodiment of the present invention is illustrative of thepresent invention rather than limiting the present invention. Havingdescribed the invention in connection with a preferred embodiment,modification will now suggest itself to those skilled in the art. Thus,the invention is not to be limited to this embodiment, but rather theinvention is intended to cover various modifications and similararrangements included within the spirit and scope of the appendedclaims, the scope of which should be accorded the broadestinterpretation so as to encompass all such modifications and similarstructures. While the preferred embodiment of the invention has beenillustrated and described, it will be appreciated that various changescan be made therein without departing from the spirit and scope of theinvention.

1. A projector comprising: a prism used for each display color combination; three color image display liquid crystal panels that displays image in red, green, and blue, respectively positioned on the light-incidence side of said prism for each display color combination; panel form light emitting sources positioned in correspondence with said three color image display liquid crystal panels to emit red, green and blue light, wherein said three color image display liquid crystal panels and said panel form light emitting sources are positioned on light-incidence side of said prism; and projection lens positioned on light emission side of said prism to enlarge the projection image.
 2. The projector of claim 1, wherein said panel form light emitting sources includes organic electroluminescence elements that are capable of emission of red, green, and blue light.
 3. The projector of claim 1, wherein said panel form light emitting sources includes LED.
 4. A projector comprising: a prism used for each display color combination; three color image display liquid crystal panels that perform image displays in red, green, and blue, respectively are positioned on the light-incidence side of said prism for each display color combination; organic electroluminescence light emitting sources positioned in correspondence with said three color image display liquid crystal panels to emit red, green and blue light, wherein said three color image display liquid crystal panels and said organic electroluminescence light emitting sources are positioned on light-incidence side of said prism; and projection lens positioned on light emission side of said prism to enlarge the projection image.
 5. The projector of claim 4, wherein said organic electroluminescence light emitting sources are capable of emission of red, green, and blue light. 